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$1,000+ Cheap flights from Grand Forks (GFK) to Portugal

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
GFK — LIS
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Grand Forks to Portugal

Keep the following information in mind while searching for Grand Forks to Portugal flight deals. Data was last updated July 31, 2025.

Round-trip from

$1,000
(Delta)
From Grand Forks to Portugal
Search Deals

Find flight deals from Grand Forks to Portugal

Cheapest flights from Grand Forks to Portugal
Explore the most affordable flight options available from Grand Forks to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:20 pmGFK - LIS
2 stops14h 40mDelta
Tue 11/45:00 amLIS - GFK
2 stops23h 47mDelta
Deal found 7/30$1,000

Cheapflights Fare Finder

 
Customize your flight search to find flights from Grand Forks to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Grand Forks to Portugal that are best for you.

Fly from

Grand Forks

Fly to

Portugal

Route

Depart

Return

Price

Grand ForksLisbon

GFK - LIS

GFKLIS

Grand Forks

Fri 10/31

12:20 pm-8:00 am

2 stops14h 40m

Lisbon Humberto Delgado

Tue 11/4

5:00 am-10:47 pm

2 stops23h 47m

$1,000

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Grand Forks to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Grand Forks with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Grand Forks to Portugal
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated July 31, 2025.
Read reviews from past customers who have flown Delta from Grand Forks to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Grand Forks to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Grand Forks to Portugal?

    Grand Forks (GFK), located 6.8 mi from the city center, is the airport you fly out of when you book flights from Grand Forks to Portugal.

  • Can I find deals for flights from Grand Forks to Portugal that include hotel bookings?

    Yes. In addition to deals on Grand Forks to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Grand Forks to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Grand Forks to Portugal.

  • Can I find deals for business class flights from Grand Forks to Portugal?

    Yes. Cheapflights offers flight deals from Grand Forks to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Grand Forks to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Grand Forks to Portugal (average of $612). Flying from Grand Forks to Portugal in June is currently the most expensive (average of $1,129). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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